Difference between revisions of "IP Station Supervision"
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933: Feb 13 16:21:34 src@Node1 AlphaLog: N001.D065:.Exch:@D65.B25-1 Line Down: IP ST License St 20 "1001 -" | 933: Feb 13 16:21:34 src@Node1 AlphaLog: N001.D065:.Exch:@D65.B25-1 Line Down: IP ST License St 20 "1001 -" | ||
| − | + | The system station will report like ordinary line faults with reference to master board and first port (B25-1) since the IP station is not related to any physical AMC board position. | |
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| − | The system station will report like ordinary line faults with reference to master board and first port since the IP station is not related to any physical AMC board position. | ||
=== Related articles === | === Related articles === | ||
Revision as of 12:20, 13 September 2007
The IP substation is supervised in two different ways.
- Each IP-sub-stations have its own unique TCP socket for data communication. This socket send TCP-alive frames every 5 second, thus a broken socket is discovered within 10 seconds and reported as line error from AlphaCom.
- From the Application layer AlphaCom is sending a "PING" approximately every 90 second. The stations reply with a "PONG". If one PONG is missing the station is reported as line fault.
IP station down
IP station down is reported on the log port in the two following ways (Data communication is lost, no PING reply or socket closed):
930: Feb 13 16:17:58 src@Node1 AlphaLog: N001.D065:.Exch:@D65.B25-1 Line Down: IP ST Data Com St 20 "1001 -"
IP station down is also reported to the event handler "faulty station line" ON/OFF.
No license
If a new license key is entered with no IP station licenses or not enough licenses, then some stations will be out of business:
933: Feb 13 16:21:34 src@Node1 AlphaLog: N001.D065:.Exch:@D65.B25-1 Line Down: IP ST License St 20 "1001 -"
The system station will report like ordinary line faults with reference to master board and first port (B25-1) since the IP station is not related to any physical AMC board position.